# LINKQNET 3KVA 72V XR TOWER ONLINE UPS - REQUIRES BATTERIES

FEATURES • Online Double-Conversion Topology - Provides continuous clean power with zero transfer time • High Power Density Design - Delivers maximum output in a compact footprint • Full Digital Control Architecture - Ensures precise regulation and stable performance • Wide Input Voltage Range - Operates from 110~300Vac for superior utility tolerance • High Input Power Factor - 0.99 input PF with active PFC for improved efficiency • Selectable Output Voltage - Supports 208/220/230/240Vac for flexible deployment • Smart Charger Design - Optimised charging for enhanced battery performance and longevity • Expandable Charging Current - Supports up to 12A charging for long-run configurations • Emergency Power-Off Function - Integrated EPO for rapid shutdown in critical situations • ECO Mode Operation - Energy-saving mode to improve overall efficiency • Generator Compatible - Stable operation when powered by generators • Cold Start Capability - Allows startup without utility power • Intelligent Fan Speed Regulation - Adaptive cooling for quieter operation and extended component life • Advanced LCD Interface - Versatile human-machine interface for real-time monitoring and control • Flexible Communication Interfaces - RS232 standard with optional USB, EPO, relay card and SNMP card (Optional) • Comprehensive Protection Systems - Protects against short-circuit, overload, overheat, battery overcharge and over-discharge, output low voltage and fan fault conditions SPECIFICATIONS Capacity • Rated Capacity: 3000VA / 2700W Input • Nominal Voltage: 208 / 220 / 230 / 240Vac • Input Voltage Range: 110~300Vac (176~280Vac @100% Load) • Frequency Range: 40~70Hz (50/60Hz Auto-Sensing) • Power Factor: ≥0.99 Output • Output Voltage: 208 / 220 / 230 / 240Vac • Power Factor: 0.9 • Voltage Regulation: ±1% • Output Frequency: Line Mode: 46~54Hz or 56~64Hz, Battery Mode: 50/60Hz ±0.1% • Crest Factor: 3:01 • Harmonic Distortion (THDv): ≤3% (Linear Load), ≤5% (Non-Linear Load) • Output Waveform: Pure Sinewave Transfer Time • AC Mode to Battery Mode: 0ms • Inverter to Bypass: 4ms (Typical) Efficiency • AC Mode: 91% • Battery Mode: 88% Battery • Battery Quantity: 6 (Purchased Separately) • Battery Type: Internal 9Ah 12V VRLA Batteries (Standard Run Model) • Typical Recharge Time: 4-Hours to 90% Capacity • Charging Voltage: 82.2Vdc ±1% • Charging Current (Max.): 1A • Note: Extended-Run Models Require External Battery Solutions. Indicators • LED Display: Line Mode, Battery Mode, ECO Mode, Bypass Mode, Battery Low Voltage, Overload, UPS Fault • LCD Display: Input Voltage, Input Frequency, Output Voltage, Output Frequency, Load Percentage, Battery Voltage, Internal Temperature, Remaining Backup Time Alarm • Battery Mode: Beeping Every 4 Seconds • Battery Low: Beeping Every Second • Overload: Beeping Twice Every Second • Fault: Continuous Beeping Physical • Dimensions (W × D × H): 191 × 460 × 337mm • Net Weight: 24.5kg Environment • Operating Temperature: 0~40°C • Storage Temperature: –25~55°C • Humidity: 20–95% RH @0~40°C (nOn-Condensing) • Altitude: <1500m (Derating Required Above 1500m) • Noise Level: <50dB at 1m Standards • Safety: IEC / EN 62040-1, IEC / EN 62477-1 • EMC: IEC / EN 62040-2, IEC 61000-4-2/3/4/5/6/8

## Details

- **Price:** 8314.0 ZAR
- **Vendor:** LinkQnet
- **Tags:** Linkqage, LinkQnet

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8314.00 ZAR | In stock |

## Images

- LINKQNET 3KVA 72V XR TOWER ONLINE UPS - REQUIRES BATTERIES

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> Source: [Guards On Duty Shop & Security Guards ](https://guardsondutyshop.co.za/products/linkqnet-3kva-72v-xr-tower-online-ups-requires-batteries)
> Updated: 2026-06-23